The word(s) "freely" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) They who taunt those of the faithful who give their alms freely, and those who give to the extent of their earnings and scoff at them; Allah will pay them back their scoffing, and they shall have a painful chastisement.

(سورة التوبة, At-Tawba, Chapter #9, Verse #79)
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(2) And He it is Who has made two seas to flow freely, the one sweet that subdues thirst by its sweetness, and the other salt that burns by its saltness; and between the two He has made a barrier and inviolable obstruction.

(سورة الفرقان, Al-Furqaan, Chapter #25, Verse #53)
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(3) This is Our free gift, therefore give freely or withhold, without reckoning.

(سورة ص, Saad, Chapter #38, Verse #39)
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(4) He has made the two seas to flow freely (so that) they meet together:

(سورة الرحمن, Ar-Rahmaan, Chapter #55, Verse #19)
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